http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54314
--- Comment #23 from Jan Hubicka <hubicka at ucw dot cz> 2013-01-26 18:32:15 UTC --- > I must say I'm surprised by the gimple-fold.c test, I'd really expect > additional && DECL_VISIBILITY (decl) != VISIBILITY_DEFAULT . > Another alternative to make those always hidden (which could be an exported > ABI > change for some shared libraries, though unlikely to be actually a real > problem) would be to add some new bit, either in the tree itself, or better in > symtab > node, which would tell gimple-fold.c not to optimize it. Honza? Yep, I was just wondering about the same. It seems C++ frontend has to mark those declarations as unusable for referencing. Is it easy to do on C++ side? I think we want tree visibility flag here, because we do not really represent stuff that may get into the game with TBAA.
